Initial Commit

database/php/pear/PHP/Compat/Function/strripos.php

@@ -0,0 +1,79 @@
+<?php
+// +----------------------------------------------------------------------+
+// | PHP Version 4                                                        |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1997-2004 The PHP Group                                |
+// +----------------------------------------------------------------------+
+// | This source file is subject to version 3.0 of the PHP license,       |
+// | that is bundled with this package in the file LICENSE, and is        |
+// | available at through the world-wide-web at                           |
+// | http://www.php.net/license/3_0.txt.                                  |
+// | If you did not receive a copy of the PHP license and are unable to   |
+// | obtain it through the world-wide-web, please send a note to          |
+// | license@php.net so we can mail you a copy immediately.               |
+// +----------------------------------------------------------------------+
+// | Authors: Aidan Lister <aidan@php.net>                                |
+// |          Stephan Schmidt <schst@php.net>                             |
+// +----------------------------------------------------------------------+
+//
+// $Id: strripos.php,v 1.24 2005/08/10 10:19:59 aidan Exp $
+
+
+/**
+ * Replace strripos()
+ *
+ * @category    PHP
+ * @package     PHP_Compat
+ * @link        http://php.net/function.strripos
+ * @author      Aidan Lister <aidan@php.net>
+ * @version     $Revision: 1.24 $
+ * @since       PHP 5
+ * @require     PHP 4.0.0 (user_error)
+ */
+if (!function_exists('strripos')) {
+    function strripos($haystack, $needle, $offset = null)
+    {
+        // Sanity check
+        if (!is_scalar($haystack)) {
+            user_error('strripos() expects parameter 1 to be scalar, ' .
+                gettype($haystack) . ' given', E_USER_WARNING);
+            return false;
+        }
+
+        if (!is_scalar($needle)) {
+            user_error('strripos() expects parameter 2 to be scalar, ' .
+                gettype($needle) . ' given', E_USER_WARNING);
+            return false;
+        }
+
+        if (!is_int($offset) && !is_bool($offset) && !is_null($offset)) {
+            user_error('strripos() expects parameter 3 to be long, ' .
+                gettype($offset) . ' given', E_USER_WARNING);
+            return false;
+        }
+
+        // Initialise variables
+        $needle         = strtolower($needle);
+        $haystack       = strtolower($haystack);
+        $needle_fc      = $needle{0};
+        $needle_len     = strlen($needle);
+        $haystack_len   = strlen($haystack);
+        $offset         = (int) $offset;
+        $leftlimit      = ($offset >= 0) ? $offset : 0;
+        $p              = ($offset >= 0) ?
+                                $haystack_len :
+                                $haystack_len + $offset + 1;
+
+        // Reverse iterate haystack
+        while (--$p >= $leftlimit) {
+            if ($needle_fc === $haystack{$p} &&
+                substr($haystack, $p, $needle_len) === $needle) {
+                return $p;
+            }
+        }
+
+        return false;
+    }
+}
+
+?>